155116640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{138497}}^1$

素因数の和:138519

約数の個数: 48

約数和(自身を含む): 418817952

約数和(自身を除く): 263701312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 138497, 276994, 553988, 692485, 969479, 1107976, 1384970, 1938958, 2215952, 2769940, 3877916, 4431904, 4847395, 5539880, 7755832, 9694790, 11079760, 15511664, 19389580, 22159520, 31023328, 38779160, 77558320, 155116640]

約数ペア:

[(1, 155116640), (2, 77558320), (4, 38779160), (5, 31023328), (7, 22159520), (8, 19389580), (10, 15511664), (14, 11079760), (16, 9694790), (20, 7755832), (28, 5539880), (32, 4847395), (35, 4431904), (40, 3877916), (56, 2769940), (70, 2215952), (80, 1938958), (112, 1384970), (140, 1107976), (160, 969479), (224, 692485), (280, 553988), (560, 276994), (1120, 138497)]